UJG546: red dwarf star with 3 planets

Solar system 'UJG546' comprises the star 'UJG546' and the retinue of celestial objects gravitationally bound to it:
3 planets and their 3 moons,
as well as asteroids, meteoroids, planetoids, comets, and interplanetary dust.

The principal component of this star system is the star 'UJG546', a red dwarf class star that contains about 99.99% of
the system's known mass and dominates it gravitationally. UJG546 is located more than 1440 lightyears from the center of the galaxy.

This solar system comprises 3 planets

UJG546.1
is a medium terrestrial planet (5790 km radius) which orbits its star in 53 Earth days, one day on UJG546.1 lasts 10 Earth hours. Its average temperature is 583 K (310 C), its atmosphere mainly consists of nitrogen, oxygen and it has 2 moons.

UJG546.2
is a large terrestrial planet (8711 km radius) which orbits its star in 246 Earth days, one day on UJG546.2 lasts 6 Earth hours. Its average temperature is 150 K (-123 C), its atmosphere mainly consists of nitrogen and it has 1 moons.

UJG546.3
is a very small terrestrial planet (2796 km radius) which orbits its star in 453 Earth days, one day on UJG546.3 lasts 35 Earth hours. Its average temperature is 100 K (-173 C), its atmosphere mainly consists of nitrogen, oxygen and it has 0 moons.